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CVE-2025-54656

22
FAUCET Score

CVE-2025-54656 is an Improper Output Neutralization for Logs vulnerability affecting Apache Struts Extras versions prior to 2, specifically when using LookupDispatchAction. Attackers can craft input that, when logged, appears as a separate log line, potentially confusing log consumers. This vulnerability has a CVSS score of 6.5 (Medium) with a low impact on confidentiality and integrity, and no active exploitation, public exploit code, or significant community discussion has been observed. However, as the affected product is unsupported, no patch will be released, and users are advised to migrate or restrict access.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.0CPE matchmatch criteria
cpe:2.3:a:apache:struts_extras:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
2.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.56%
Probability of exploitation in next 30 days
EPSS Percentile
43.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0056 is in the 28th percentile among its peer group of 23,701 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

mavenGHSA-cx25-xg7c-xfm5medium

Apache Struts Extras Before 2 has an Improper Output Neutralization for Logs Vulnerability

Jul 30, 2025

References

openwall.com / lists/oss-security/2025/07/30/1
lists.apache.org / thread/so5cn07j2zn9vlf1xnfqp630wts719rr
Mailing ListVendor Advisory